Mark Hewish

Documented marathon swims by Mark Hewish.
Date Swim Route Km Age Time/Place
2008 Aug 3 Lake Zurich Marathon Swim Rapperswil to Zurich 26.4 36 09:43:00 (12/25)
2009 Aug 14 English Channel (CSPF) England to France 33.8 37 14:48:45